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Irrigation controller has "lost" some stations.

I just wish you knew how much I wish I could tell you what the problem was!!

I have wracked my brains to figure out what made the stations "go away," and the closest I have come to establishing a cause seems to be my own stupidity in whatever I did trying to re-program!! (It's comforting that this Forum uses aliases!!)

Seriously, I have no idea what caused the problem; I was re-programming using a Rain Pro manual I down-loaded (it's identical to the Pro C one I was sent); everything was operating as planned, then one morning I noticed only Stations 1 to 3 were functioning - much to my annoyance!

After that, and hours spent searching the internet for help, I ended up here - and am thankful for that!

Irrigation controller has "lost" some stations.

Hello again.

I have tried to change the modules as suggested, but whoever wired the system (before I bought the house) didn't leave sufficient free wiring for me to move second module, numbered 7, 8, & 9, up to the top module space, which is numbered 10, 11, & 12. Connection 12 is un-wired. All other connections are secure.

Try as I might, I can't pull enough cable through the conduit to let me swap the positions of these top two modules. Obviously, the top module drops into the slot for the third, but to get the third up to the top place . . . Mission Impossible (without using a cable connector?).

As far as doing anything with other modules is concerned, the third module from the top, shows numbers 4, 5, & 6, and the fourth, and last, has five connections - OOM, P/M, 1, 2, & 3, listing from the bottom up - so I can't swap that one with any of the other three, 3-connection modules.

I am still only seeing three stations - 1, 2, & 3 - in the controller for each program, and the irrigation system only fires up the same first three.